<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="./assets/global.css">

    <style>
        .table-line {
            border-top: 1px solid #000;
            border-left: 1px solid #000;
            border-collapse: collapse;

        }

        .table-line td {
            border-right: 1px solid #000;
            border-bottom: 1px solid #000;
            min-width: 100px;
            text-align: center;
        }
    </style>
</head>

<body>
    <table class="table-line">
        <tr>
            <td rowspan="2">A</td>
            <td rowspan="2">B</td>
            <td colspan="5">C</td>
        </tr>
        <tr>
            <td>C1</td>
            <td>C2</td>
            <td>C3</td>
            <td>C4</td>
            <td>C5</td>
        </tr>

    </table>
</body>

</html>